The optimization of the thermal response on the ZnO flexible pyroelectric film temperature sensor

David T.W. Lin, Yu Chung Hu, Chin-Hsiang Cheng

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In a previous study, the present group designed and fabricated ZnO thin-film pyroelectric sensors with four different upper electrode configurations, namely rectangular, criss-cross, target and web. However, the voltage response of the proposed devices was not formally analyzed. Accordingly, the present study commences by performing an experimental investigation to determine the voltage-temperature transfer function for one of the four electrode configurations (i.e., rectangular). An optimization algorithm based on the simplified conjugate gradient method (SCGM) and COMSOL finite-element analysis software is then applied to establish the optimal geometry parameters of each of the four upper electrode configurations. It is shown that the optimized electrode designs improve the temperature variation rate of the four sensors by a minimum of 15%. As a result, the responsivity of the proposed devices is significantly improved.

Original languageEnglish
Article number5951719
Pages (from-to)397-403
Number of pages7
JournalIEEE Sensors Journal
Volume12
Issue number2
DOIs
Publication statusPublished - 2012 Jan 1

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temperature sensors
Temperature sensors
Electrodes
optimization
electrodes
configurations
conjugate gradient method
Conjugate gradient method
sensors
Sensors
Electric potential
electric potential
transfer functions
Transfer functions
computer programs
Finite element method
Thin films
Temperature
temperature
Geometry

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

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The optimization of the thermal response on the ZnO flexible pyroelectric film temperature sensor. / Lin, David T.W.; Hu, Yu Chung; Cheng, Chin-Hsiang.

In: IEEE Sensors Journal, Vol. 12, No. 2, 5951719, 01.01.2012, p. 397-403.

Research output: Contribution to journalArticle

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